H beam shot blasting cleaning machine is automatically table roller continually passing type. It is especially used for steel H beam surface cleaning, strengthening to get certain degree of surface roughness, to add paint coating adhesion force, to improve surface quality and anti-corrosive effect. Two shot blasters are on the left and right side of the shot blasting room. They are assembled to the best position according to H beam condition. There is a layer of abrasion resistant protecting plate on the inside room surface, and it is inserted type so it is easy to change. The anti-dust system adopts American technology, the cartridge type dust cleaner, with high efficient ability and low operation resistance, small size, small weight and easy to be changed. The dust release density is lower than the national environmental requirement.